None of them knew what happened __________we told them about it.
#57554
A
since
B
after
C
until
D
while
推荐题目
I’m not sure if he _____ me . If I ________ , I will go with you.
#55737
A
will invite; will be invited
B
will invite; am invited
C
invite; will invite
D
invite; invite
You can’t get off the bus ___________ the bus stops. 
#55501
A
after
B
when
C
until
D
because